Re: general protection fault in ipt_do_table

2018-02-12 Thread Dmitry Vyukov 
On Mon, Feb 12, 2018 at 5:20 PM, Florian Westphal  wrote:
> syzbot  wrote:
>> Hello,
>>
>> syzbot hit the following crash on net-next commit
>> 9a61df9e5f7471fe5be3e02bd0bed726b2761a54 (Sat Feb 10 03:32:41 2018 +)
>> Merge tag 'kbuild-v4.16-2' of
>> git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
>>
>> So far this crash happened 2 times on net-next, upstream.
>> C reproducer is attached.
>> syzkaller reproducer is attached.
>> Raw console output is attached.
>> compiler: gcc (GCC) 7.1.1 20170620
>> .config is attached.
>
> #sys-dup: general protection fault in ip6t_do_table

this should read as:

#syz dup: general protection fault in ip6t_do_table

> (well, its not strictly a duplicate but ip(6)tables is copypastry
>  sauce so its bug compatible, the fix I sent for ip6tables report
>  also fixes ip and arptables.)
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Re: general protection fault in ipt_do_table

2018-02-12 Thread Florian Westphal 
syzbot  wrote:
> Hello,
> 
> syzbot hit the following crash on net-next commit
> 9a61df9e5f7471fe5be3e02bd0bed726b2761a54 (Sat Feb 10 03:32:41 2018 +)
> Merge tag 'kbuild-v4.16-2' of
> git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
> 
> So far this crash happened 2 times on net-next, upstream.
> C reproducer is attached.
> syzkaller reproducer is attached.
> Raw console output is attached.
> compiler: gcc (GCC) 7.1.1 20170620
> .config is attached.

#sys-dup: general protection fault in ip6t_do_table

(well, its not strictly a duplicate but ip(6)tables is copypastry
 sauce so its bug compatible, the fix I sent for ip6tables report
 also fixes ip and arptables.)
--
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